secure-auth.cfd - robtex.com
secure-auth.cfd
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:1983🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:8641🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.25.131Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.134.65🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | jacob.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2ca2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jacob.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3a2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jacob.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23a2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jacob.ns.cloudflare.com | ||||||
| A | 108.162.195.162🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jacob.ns.cloudflare.com | ||||||
| A | 162.159.44.162Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jacob.ns.cloudflare.com | ||||||
| A | 172.64.35.162🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jacob.ns.cloudflare.com | ||||||
| NS | sierra.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26f5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2f5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22f5🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 108.162.194.245🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 162.159.38.245Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 172.64.34.245🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.25.131, 172.67.134.65 | ||||||
| IPv6 hints | 2606:4700:3032::6815:1983, 2606:4700:3037::ac43:8641 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com | ||||||
| SOA | jacob.ns.cloudflare.comdns@cloudflare.com serial=2409818300 | ||||||
cfd
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.cfd | ||||||
| NS | b.nic.cfd | ||||||
| NS | c.nic.cfd | ||||||
| NS | d.nic.cfd | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1785297687 | ||||||
Same first word
secure-auth.de |
secure-auth.cfd |
secure-auth.fr |
secure-auth.org |
secure-auth.pt |
secure-auth.app |
secure-auth.com |
secure-auth.net |
Similar names
DNS History
6 records (6 active, 0 former)
●NSjacob.ns.cloudflare.com2026-07-27 → 2026-07-29 · 2 obs
● 2026-07-29 04:01:46
●NSsierra.ns.cloudflare.com2026-07-27 → 2026-07-29 · 2 obs
● 2026-07-29 04:01:46
●A104.21.25.1312026-07-27 → 2026-07-29 · 2 obs
● 2026-07-29 04:01:46
●A172.67.134.652026-07-27 → 2026-07-29 · 2 obs
● 2026-07-29 04:01:46
●A2606:4700:3032::6815:19832026-07-27 → 2026-07-29 · 2 obs
● 2026-07-29 04:01:46
●A2606:4700:3037::ac43:86412026-07-27 → 2026-07-29 · 2 obs
● 2026-07-29 04:01:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cfd | b.nic.cfd, c.nic.cfd, a.nic.cfd, d.nic.cfd | 8 records |
| secure-auth.cfd | jacob.ns.cloudflare.com, sierra.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.245
NS records: jacob.ns.cloudflare.com, sierra.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for secure-auth.cfd (unsigned zone)
⏱️ Timing
Total: 369ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.25.131, 172.67.134.65 |
| AAAA | 2 | 2606:4700:3037::ac43:8641, 2606:4700:3032::6815:1983 |
| NS | 2 | jacob.ns.cloudflare.com, sierra.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | jacob.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (b.nic.cfd, b.nic.cfd, c.nic.cfd...)
Analysis
IP Addresses
secure-auth.cfd directs to four IP numbers, which are 104.21.25.131, 172.67.134.65, 2606:4700:3032::6815:1983 and 2606:4700:3037::ac43:8641.
nl.frontier-4.blog, marvos.com, www.classroomtv.com and two other host names share IP numbers with secure-auth.cfd.
Name Servers
secure-auth.cfd uses two name servers for its delegation: jacob.ns.cloudflare.com and sierra.ns.cloudflare.com.
secure-auth.cfd uses the same name servers as several other domains — among them ekmt.org, themedep.top, androidmoca.com and two more.
The name servers of secure-auth.cfd overlap at least partially with those of other domains — among them caravanserairugs.com, only-gadgets.com, mweb.im and two more.
These name servers commonly appear alongside the name servers aiden.ns.cloudflare.com and ruth.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
Hostname jacob.ns.cloudflare.com directs to 108.162.195.162, 162.159.44.162 and 172.64.35.162 along with 3 other IP addresses.
Hostname sierra.ns.cloudflare.com directs to 108.162.194.245, 162.159.38.245 and 172.64.34.245 along with 3 other IP addresses.